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phthalic anhydride

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WordReference Random House Unabridged Dictionary of American English © 2025

phthal′ic anhy′dride, [Chem.]

a white, crystalline, slightly water-soluble solid, C₈H₄O₃, used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.

1850–55

'phthalic anhydride' also found in these entries (note: many are not synonyms or translations):

anthraquinone - orthoxylene - phthalein - phthalocyanine - rhodamine

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